On Fri, 2015-06-12 at 10:18 +0300, Laurent Pinchart wrote:
> Hi Ben,
> 
> (CC'ing Linus Walleij)
> 
> Thank you for the patch.
> 
> On Wednesday 10 June 2015 00:23:31 Ben Hutchings wrote:
> > All the SHDIs can operate with either 3.3V or 1.8V signals, depending
> > on negotiation with the card.
> > 
> > Add separate functions for the 1.8V mode, and implement the set_mux
> > operation on all SDHI functions to configure the voltage for each
> > group of pins.
> 
> I don't think duplicating all functions for 1.8V and 3.3V is the right way to 
> go. Can't we use the pinconf API instead, and in particular the 
> PIN_CONFIG_POWER_SOURCE configuration ?
[...]

So far as I could see, you can't use the pinconf API with pinmux groups.

Ben.


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